diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index b765e1c..e031f6d 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -64,15 +64,7 @@
 /**************************************************************************/
 
 
-
 #include <linux/module.h>
-
-/* For the Atari version, use only polled IO or REAL_DMA */
-#define	REAL_DMA
-/* Support tagged queuing? (on devices that are able to... :-) */
-#define	SUPPORT_TAGS
-#define	MAX_TAGS 32
-
 #include <linux/types.h>
 #include <linux/delay.h>
 #include <linux/blkdev.h>
@@ -92,9 +84,34 @@
 
 #include <scsi/scsi_host.h>
 
-#include "atari_scsi.h"
+/* Definitions for the core NCR5380 driver. */
+
+#define REAL_DMA
+#define SUPPORT_TAGS
+#define MAX_TAGS                        32
+
+#define NCR5380_implementation_fields   /* none */
+
+#define NCR5380_read(reg)               atari_scsi_reg_read(reg)
+#define NCR5380_write(reg, value)       atari_scsi_reg_write(reg, value)
+
+#define NCR5380_queue_command           atari_scsi_queue_command
+#define NCR5380_abort                   atari_scsi_abort
+#define NCR5380_show_info               atari_scsi_show_info
+#define NCR5380_info                    atari_scsi_info
+
+#define NCR5380_dma_read_setup(instance, data, count) \
+        atari_scsi_dma_setup(instance, data, count, 0)
+#define NCR5380_dma_write_setup(instance, data, count) \
+        atari_scsi_dma_setup(instance, data, count, 1)
+#define NCR5380_dma_residual(instance) \
+        atari_scsi_dma_residual(instance)
+#define NCR5380_dma_xfer_len(instance, cmd, phase) \
+        atari_dma_xfer_len(cmd->SCp.this_residual, cmd, !((phase) & SR_IO))
+
 #include "NCR5380.h"
 
+
 #define	IS_A_TT()	ATARIHW_PRESENT(TT_SCSI)
 
 #define	SCSI_DMA_WRITE_P(elt,val)				\
diff --git a/drivers/scsi/atari_scsi.h b/drivers/scsi/atari_scsi.h
deleted file mode 100644
index ff329f9..0000000
--- a/drivers/scsi/atari_scsi.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * atari_scsi.h -- Header file for the Atari native SCSI driver
- *
- * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
- *
- * (Loosely based on the work of Robert De Vries' team)
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file COPYING in the main directory of this archive
- * for more details.
- *
- */
-
-
-#ifndef ATARI_SCSI_H
-#define ATARI_SCSI_H
-
-/* (I_HAVE_OVERRUNS stuff removed) */
-
-#ifndef ASM
-
-#define	NCR5380_implementation_fields	/* none */
-
-#define NCR5380_read(reg)		  atari_scsi_reg_read( reg )
-#define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value )
-
-#define NCR5380_queue_command atari_scsi_queue_command
-#define NCR5380_abort atari_scsi_abort
-#define NCR5380_show_info atari_scsi_show_info
-#define NCR5380_info atari_scsi_info
-#define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0)
-#define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1)
-#define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst )
-#define	NCR5380_dma_xfer_len(i,cmd,phase) \
-	atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1)
-
-#endif /* ndef ASM */
-#endif /* ATARI_SCSI_H */
-
-